525 Series 5x20mm Quick Acting Cartridge Ceramic Fuse Miniature Tube 250V 300V

Price 0.16 USD/PC
MOQ 10000PCS
Delivery Time 2 Weeks
Brand Betterfuse
Place of Origin Dongguan,Guangdong,China
Certification cURus、TUV
Model Number 525
Packaging Details 10000pcs per carton,12.5kg per carton
Payment Terms T/T, Western Union
Supply Ability 100KKPCS Per month

Product Details

Product Specification

Speed Quick-Acting Operating Temperature -55°C to 125°C
Place of Origin Dongguan,Guangdong,China Packaging Details 10000pcs per carton,12.5kg per carton
Standard UL248-14 IEC60127-7 Dimension 5mm x 20mm
Model Number 525 Supply Ability 100KKPCS Per month
Certification cURus、TUV Name Ceramic Tube Fuse
Rated Voltage 250VAC 300VAC Brand Name Betterfuse
Payment Terms T/T, Western Union Price 0.16 USD/PC
Delivery Time 2 Weeks cULus File Number E300003
Minimum Order Quantity 10000PCS TUV File Number J 50457959

Product Description

 

525 Series 5x20mm Quick-Acting Miniature Cartridge Ceramic Tube Fuse 250V 300V

 

SCOPE AND DESCRIPTION Of The Ceramic Tube Fuse

 

Following electronic product specifications apply to fuses of the 525 series. The 525 series is a quick-acting type miniature fuse for overcurrent protection. With its high breaking capacity the 525 fuse series is ideal for supplementary protection in electrical appliances and equipment to
provide excellent protection for components or circuits.Suitable for 250VAC or less than 250VAC voltage circuit, mainly used in home appliances, consumer electronics, adapters, PC power supplies and other computer peripheral products

 

 

General Description Of The Ceramic Tube Fuse


The 525 series quick-acting fuse with high breaking capacity for use with printed circuit boards is used in a large variety of applications. This 5x20mm device is constructed of a ceramic tube with electro-plated brass end caps. The 525 series with 300 VAC rating and 1500 Ampere breaking/300V AC rating and 750A breaking, offers excellent quality and is 100% tested for cold resistance and precise length.

 


Detailed Features Of The Ceramic Tube Fuse


• Miniature fuse with quick-acting, high breaking capacity
• 5mm x 20mm physical dimensions
• Ceramic tube, encapsulated design with nickel - plated brass end caps
• Optional axial leads are Ф0.65mmX30mm at <8A, Ф0.8mmX30mm at 8A~12.5A,Ф1.0mmX30mm at>15A
• Protection against harmful over-currents in primary and secondary applications.
• Lead-free, Halogen-free, RoHS compliant
• Designed compliant to UL248-14 IEC60127-7

• Operating Temperature: -55°C to 125°C
• Storage Conditions:+10℃ to +60℃
• Relative humidity: ≤ 75% yearly average without dew, maximum 30 days at 95%
• Vibration Resistance:
24 cycles at 15 min. each (60068-6)
10-60Hz at 0.75mm amplitude
60-2000Hz at 10g acceleration

 

 

AGENCY APPROVALS Of The Ceramic Tube Fuse

 

Agency Agency File Number Ampere/ Voltage Range
c RU us E300003 250V AC: 0.1~25A
300V AC: 0.1~25A
TUV J 50457959 250V AC:500mA~25A
300V AC:500mA~25A

 

 

MECHANICAL SPECIFICATIONS Of The Ceramic Tube Fuse

 

 

 

Time vs Current Characteristics Table Of The Ceramic Tube Fuse


(measured with constant current power supply)

Rated current 100% 210% 275% 400% 1000%
0.2A~25A >1h  <30min 40ms~20s 10ms~1s ≤30ms

 

 

Electrical characteristics Of The Ceramic Tube Fuse

 

Rated Current Max. Voltage Nominal
Melting
I²t(A²sec)
Central
resisiance value
(mΩ)
Breaking
Capacity
1A 300VAC 0.36 273~507 1500A@250V AC
1500A@300V AC
1.25A 0.58 126~234
1.6A 1.23 84.0~156
2A 1.80 70.3~130.6
2.5A 3.63 38.5~71.5
3.15A 8.93 23.8~44.2
4A 11.36 23.1~42.9
5A 23.92 14.0~26.0
6.3A 39.53 10.5~19.5
8A 64.00 9.73~18.07
10A 140.00 6.86~12.74
12A 187.20 5.74~10.66
12.5A 218.75 5.180~9.620
15A 303.75 4.375~8.125
16A 435.20 3.745~6.955
20A 700.00 3.045~5.655
25A 1435.88 2.275~4.225 750A@250VAC
750A@300VAC

Notes:

(1) Permissible continuous operating current is ≤100% at ambient temperature of 23°C (73.4°F)
Electrical characteristics
(2) Typical pre-arcing I2t are measured at 10In current.

 

 

Average Time Current (I-T) Curves Of The Ceramic Tube Fuse

 

 

 

I2T Curve Of The Ceramic Tube Fuse

 

 

 

Package Of The Ceramic Tube Fuse

 

Net Weight (100pcs/bag) 555g
Inner box:weight 1.15kg
Master Carton:Weight 12.3kg
Qty per bag 500pcs Qty per box 1000pcs Qty per carton 10000pcs

Dongguan Ampfort Electronics Co., Ltd.

Manufacturer, Distributor/Wholesaler, Agent, Exporter
  • Annual Revenue: 1850000-2340000
  • Employees: 51~200
  • Year Established: 2014